Decentralized Finance (DeFi) on Ethereum can be powerful—but it can also be slow, expensive, and frustrating. As the popularity of Ethereum has risen, the network has struggled to keep up. Users new to DeFi are often surprised to find themselves paying $10 in gas fees—and waiting 30 minutes— when simply moving $5 in tokens. That is why layer 2s (L2s) were created. L2s are a layer on top of Ethereum; they are fast and cheap, but still leverage the decentralization and security of the Ethereum ...